Seiko Cal. 6148 - 239

This Hand-Winding model from 1978 features a 39mm Gold-Plated case. Powered by the 6148 caliber with 30j jewels beating at 21,600 bph, it delivers a 68 hours power reserve. [seikata-wm-94fa974b5427]

Also known as: Helmet, Sportsmatic

Specifications

Movement

Hand-Winding

Case Material

Gold-Plated

Case Width

39mm

Case Thickness

15.8mm

Lug Width

18mm

Crystal

Hardlex

Bezel

Coin-Edge

Water Resistance

110m

Dial Color

Burgundy

Jewels

30j

Frequency

21,600 bph

Power Reserve

68 hours

Year

1978

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